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2 years ago

Notes/Examples The distance between two points A and B be written as

Mathematics

1 answer:

grin007 [14]2 years ago

5 0

Answer:

Use the Pythagorean theory equation

$\sqrt{(x_{2}-x _{1})^{2} +(y_{2}-y_{1})^{2}$

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What is the difference x/x^2-16-3/x-4

kenny6666 [7]

General Idea:

When simplifying a rational expression, we need to do the below steps:

(i) Factor the Denominator of each fraction

(ii) Identify the Least Common Denominator (It is the product of prime factors involved with its highest exponent)

(iii) Identify and rewrite the equivalent fraction with the desired LCD.

(iv) Once the denominator are same, Combine the numerator.

Applying the concept:

What is the difference x/x^2-16-3/x-4

I assume that you mean to type the expression $\frac{x}{x^{2}-16} -\frac{3}{x-4}$

Step 1: Factoring $x^{2} -16$

$x^{2} -16=x^{2} -4^{2} =(x+4)(x-4)$

Step 2: Identifying the LCD, we get $(x+4)(x-4)$

Step 3: Rewriting the second fraction by multiplying x+4 on both top and bottom of second fraction so that we get the LCD.

$\frac{x}{x^2-16}-\frac{3}{x-4}=\frac{x}{(x+4)(x-4)} -\frac{3*(x+4)}{(x-4)*(x+4)} Step 4: Combine like terms since the denominators are same[tex] \frac{x-3(x+4)}{(x+4)(x-4)} =\frac{x-3x-12}{(x+4)(x-4)}=\frac{-2x-12}{(x+4)(x-4)} =\frac{-2(x+6)}{(x+4)(x-4)}$

Conclusion:

In factored form the simplified expression $=\frac{-2(x+6)}{(x+4)(x-4)}$

In expanded form the simplified expression $=\frac{-2x-12}{x^2-16}$

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3 years ago

The graph of linear function g passes through the points (3, 7) and (9, 3).

Wewaii [24]

Answer:

Step-by-step explanation:

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netineya [11]

The answer of you're question is C

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HACTEHA [7]

Answer:

Yes

Step-by-step explanation:

In above image use vertical line test to identify whether a relation is a function or not . Vertical line test means draw various vertical lines in graph and it must cut graph only once i.e. every vertical line must intersect graph only once . if lines intersects graph in more than 1 point than relation is not a function . In short, a relation is a function iff for every value of x there's only one value of y , for any case x has 2 or more than 2 values of y it's not a function.

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Solve for x triangles

wel

Answer:

115

Step-by-step explanation:

180-50=130

130/2=65

180-65=115

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2 years ago

Notes/Examples The distance between two points A and B be written as​

Notes/Examples The distance between two points A and B be written as